CN206232730U - The module thermal balance device of PCR gene amplification instrument - Google Patents
The module thermal balance device of PCR gene amplification instrument Download PDFInfo
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- CN206232730U CN206232730U CN201621227713.2U CN201621227713U CN206232730U CN 206232730 U CN206232730 U CN 206232730U CN 201621227713 U CN201621227713 U CN 201621227713U CN 206232730 U CN206232730 U CN 206232730U
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- module
- gene amplification
- amplification instrument
- balance device
- thermal balance
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Abstract
The utility model discloses a kind of module thermal balance device of PCR gene amplification instrument, including main frame, the module being made from a material that be thermally conductive, the some pieces of heating refrigerating chips on module lower surface, N number of test tube hole slot on module upper surface, at least one temperature sensor in module, located at the annular-heating silk of module edge and the module cage above module upper surface；Module cage is provided with N number of perforate corresponding with each test tube hole slot respectively, and main frame is electrically connected with temperature sensor, each piece of heating refrigerating chip and annular-heating silk respectively.The utility model has warming and cooling rate fast, and power requirement is low, the characteristics of improving gene magnification effect and detect the precision and stability of performance.
Description
Technical field
The utility model is related to gene amplification equipment technical field, can reach Modular surface temperature more particularly, to one kind
To the module thermal balance device of balanced consistent PCR gene amplification instrument.
Background technology
PCR gene amplification instrument is a kind of temperature device, for providing the simulation gene magnification temperature in each stage, and is increased
The functions such as low-temperature storage and fluoroscopic examination are added, it is adaptable to human genome project, medical jurisprudence, oncology, tissue and colony
The polymerization in the clinical diagnosis such as the research fields such as biology, paleontology, zoology, botany and virus, tumour, hereditary disease field
Enzyme chain reaction fluorogenic quantitative detection.
PCR gene amplification instrument in the market, includes the host platform for writing each phase temperature control program, main
Machine platform carries out power output to the module mechanism with refrigeration heating chip, makes the test tube groove surfaces temperature on module mechanism
Temperature needed for reaching gene magnification, will be equipped with needing being carried out in the test tube groove that the test tube of amplifing reagent inserted on module mechanism
Amplification, heats to ensure that invisible spectro reagent is not vaporized and collected on dew test tube wall by hot cover, then by photoelectric probe
Excite and absorb fluorescence data and be analyzed, so as to draw the result of various judgements.
The module mechanism of PCR gene amplification instrument is one of key element of PCR gene amplification instrument, determines that pcr gene expands
Increase the overall gene magnification effect of instrument and detection performance precision and stability.The PCR gene amplification instrument of existing market, its module
Mechanism is finished using integral material or casting is formed, edge effect, uniformity and the heating and cooling speed that all there is module mechanism
The relatively low phenomenon of degree, seriously restricts performance, production cost and the physical size of current like product, receives the development of whole industry
To considerable influence.
Chinese patent notification number：CN201245664Y, the day for announcing：On May 27th, 2009, disclose a kind of scattered based on heat pipe
The gene-amplificative instrament of hot device, including the alternating temperature metal module for inserting some test tubes of device, semiconductor system successively from top to bottom
Cooler and radiator, radiator include heat pipe and copper billet, and in heat pipe embedment copper billet, copper billet is stretched out at its two ends, at one of heat pipe
Or two external part connection radiating fins, there is liquid working substance in heat pipe.
The purpose of said gene amplification instrument is the temperature reducing rate for solving the problems, such as alternating temperature metal module, and structure is more multiple
It is miscellaneous, there is the larger temperature difference in the edge effect for solving the problems, such as gene-amplificative instrament module mechanism.
The content of the invention
Goal of the invention of the present utility model is to overcome PCR gene amplification instrument modular device of the prior art solving
There is the deficiency of the larger temperature difference in the edge effect problem of gene-amplificative instrament module mechanism, there is provided one kind can make module table
Face temperature reaches the module thermal balance device of balanced consistent PCR gene amplification instrument.
To achieve these goals, the utility model uses following technical scheme：
A kind of module thermal balance device of PCR gene amplification instrument, including main frame, the module being made from a material that be thermally conductive, are located at
Some pieces of heating refrigerating chips on module lower surface, the N number of test tube hole slot on module upper surface, in module extremely
A few temperature sensor, located at the annular-heating silk of module edge and the module cage above module upper surface；Module cage
N number of perforate corresponding with each test tube hole slot respectively is provided with, main frame heats refrigerating chip with temperature sensor, each piece respectively
Electrically connected with annular-heating silk.
Module is the heat conduction member being made up of the material with Thermal conductivity, and each piece of heating refrigerating chip is used for mould
Block is heated, and each test tube hole slot is used to fix test tube respectively, and temperature sensor is used for the temperature of detection module, and module cage is by resistance to
The cover body that adiabator is constituted, module cage is heatproof cover body, and module cage will not deform, long service life, mould because temperature is raised
Block cover reduces influence of the ambient temperature to Modular surface temperature.
Instant invention overcomes the edge effect problem that current PCR gene amplification instrument modular device exists jointly, make in module
Each test tube hole rooved face temperature reach equilibrium, the temperature difference is can be controlled within 0.15 DEG C, reduce to heating refrigerating chip group
The requirement of technique is filled, production efficiency is improve, equipment cost is reduced, while profile can also narrow down to the perfect condition of exquisiteness.
Preferably, the module lower surface periphery is provided with annular groove, the annular-heating silk is located in annular groove,
Insulating heat-conductive solidification glue is filled with annular groove.The annular groove and each test tube hole slot that module lower surface periphery is set are one
Body formula structure.Module, annular-heating silk and insulating heat-conductive silica gel are the good heat conduction member of heat conductivility, it is ensured that pyrotoxin
Temperature can be equably conducted to each test tube hole rooved face of module.
Preferably, being provided with heat conduction carbon film between module and each piece of heating refrigerating chip.
Preferably, also including warning circuit, warning circuit electrically connect with main frame, the warning circuit including alarm lamp with
Buzzer.
Preferably, warning circuit also includes current-limiting circuit, afterflow inductance L and on-off circuit；Buzzer one end is grounded, honeybee
The ring device other end is connected on current-limiting circuit one end, and the current-limiting circuit other end is connected on afterflow inductance L one end, afterflow inductance L
The other end is connected on one end of on-off circuit, and the other end of on-off circuit is connected on power supply.
Preferably, be provided with heat insulating mattress between module and module cage, be provided with heat insulating mattress it is N number of respectively with each test tube hole
The corresponding circular hole of groove.
Heat insulating mattress has good effect of heat insulation, can reduce influence of the ambient temperature to Modular surface temperature, module temperature
The more convergent step of temperature of degree and program setting, controls more accurate.Module cage is covered on heat insulating mattress, module cage can by heat insulating mattress,
Module lid jail, can reduce influence of the ambient temperature to Modular surface temperature.
Therefore, the utility model has the advantages that：It is easy to processing, it is easy to assemble, low cost, temperature equalization, matter
Amount is light, warming and cooling rate is fast, and power requirement is low, improves the gene magnification effect of PCR gene amplification instrument and the essence of detection performance
Accuracy and stability.
Brief description of the drawings
Fig. 1 is a kind of structural representation of upper surface of the present utility model；
Fig. 2 is a kind of structural representation of lower surface of the present utility model；
Fig. 3 is a kind of sectional view of Fig. 2 of the present utility model；
Fig. 4 is a kind of partial enlarged drawing at the I of Fig. 3 of the present utility model；
Fig. 5 is a kind of circuit diagram of warning circuit of the present utility model.
In figure：Module 1, heating refrigerating chip 2, test tube hole slot 3, temperature sensor 4, annular-heating silk 5, module cage 6, open
Hole 7, annular groove 8, heat insulating mattress 9, heat conduction carbon film 10, insulating heat-conductive solidification glue 11, warning circuit 32, buzzer 321, current limliting electricity
Road 322, on-off circuit 323.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and detailed description.
Embodiment as shown in Figure 1 is a kind of module thermal balance device of PCR gene amplification instrument, including main frame, by heat conduction
The module 1 that material is made, 4 pieces of heating refrigerating chips 2 on module lower surface, 96 test tubes on module upper surface
Hole slot 3,2 temperature sensors 4 in module, located at the annular-heating silk 5 of module edge and on module upper surface
The module cage 6 of side；Module cage is provided with 96 perforates 7 corresponding with each test tube hole slot respectively, main frame respectively with 2 temperature
Sensor, each piece of heating refrigerating chip and annular-heating silk electrical connection.
As shown in Figure 3, Figure 4, module lower surface periphery is provided with annular groove 8, and annular-heating silk is located in annular groove, ring
Insulating heat-conductive solidification glue 11 is filled with connected in star.Heat conduction carbon film 10 is provided between module and each piece of heating refrigerating chip.
As shown in figure 5, also include warning circuit 32, warning circuit electrically connect with main frame, warning circuit including alarm lamp with
Buzzer 321.
Warning circuit also includes current-limiting circuit 322, afterflow inductance L and on-off circuit 323；Buzzer one end is grounded, buzzing
The device other end is connected on current-limiting circuit one end, and the current-limiting circuit other end is connected on afterflow inductance L one end, and L is another for afterflow inductance
One end is connected on one end of on-off circuit, and the other end of on-off circuit is connected on power supply.
As shown in figure 3, being provided with heat insulating mattress 9 between module and module cage, 96 are provided with heat insulating mattress and are tried with each respectively
The corresponding circular hole of tube hole groove.
The course of work of the present utility model is as follows：
Main frame is provided with normal temperature scope by 2 temperature sensor detection module temperature in main frame, when the temperature of detection
Less than normal temperature scope lower limit when, each piece of host computer control heating refrigerating chip and annular-heating silk heating, when the temperature of detection
When degree is more than the upper limit of normal temperature scope, each piece of heating refrigerating chip of host computer control and annular-heating silk stop heating；
When the temperature of detection is not in the range of normal temperature, and normal temperature scope cannot be returned in 30 minutes
It is interior, the buzzer warning of host computer control warning circuit.
The heat that heating refrigerating chip of the present utility model and annular-heating silk send uniformly passes to mould by heat conduction carbon film
On block, each test tube hole slot internal temperature is uniformly distributed, and overcomes the side that current PCR gene amplification instrument module mechanism exists jointly
Edge effect problem, makes each the test tube hole rooved face temperature in module reach equilibrium, each test tube hole rooved face temperature-difference
Control is within 0.15 DEG C.Also, because the quality of module test tube hole slot is smaller, the even heat of pyrotoxin can be passed rapidly
The test tube hole rooved face in module is directed at, makes 5.5 DEG C/sec of like product before the remote superorder of warming and cooling rate of the present utility model,
6 DEG C/sec of warming and cooling rate is reached, the rapid amplifying demand of various genes is met.
It should be understood that the present embodiment is merely to illustrate the utility model rather than limits scope of the present utility model.In addition
It should be understood that after the content for having read the utility model instruction, those skilled in the art can make various to the utility model
Change or change, these equivalent form of values equally fall within the application appended claims limited range.
Claims (6)
1. the module thermal balance device of a kind of PCR gene amplification instrument, it is characterized in that, including main frame, the mould being made from a material that be thermally conductive
Block (1), some pieces of heating refrigerating chip (2) on module lower surface, the N number of test tube hole slot on module upper surface
(3), at least one temperature sensor (4) in module, located at annular-heating silk (5) of module edge and in module
The module cage (6) of surface；Module cage is provided with N number of perforate (7) corresponding with each test tube hole slot respectively, main frame difference
Electrically connected with temperature sensor, each piece of heating refrigerating chip and annular-heating silk.
2. the module thermal balance device of PCR gene amplification instrument according to claim 1, it is characterized in that, the module following table
Face periphery is provided with annular groove (8), and the annular-heating silk is located in annular groove, solid filled with insulating heat-conductive in annular groove
Change glue (11).
3. the module thermal balance device of PCR gene amplification instrument according to claim 1, it is characterized in that, module and each piece plus
Heat conduction carbon film (10) is provided between refrigeration heat chip.
4. the module thermal balance device of PCR gene amplification instrument according to claim 1, it is characterized in that, also including alarm electricity
Road (32), warning circuit is electrically connected with main frame, and the warning circuit includes alarm lamp and buzzer (321).
5. the module thermal balance device of PCR gene amplification instrument according to claim 4, it is characterized in that, warning circuit is also wrapped
Include current-limiting circuit (322), afterflow inductance L and on-off circuit (323)；Buzzer one end is grounded, and the buzzer other end is connected to limit
On current circuit one end, the current-limiting circuit other end is connected on afterflow inductance L one end, and the afterflow inductance L other ends are connected to switch electricity
On the one end on road, the other end of on-off circuit is connected on power supply.
6. the module thermal balance device of the PCR gene amplification instrument according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that,
Heat insulating mattress (9) is provided between module and module cage, N number of circular hole corresponding with each test tube hole slot respectively is provided with heat insulating mattress.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621227713.2U CN206232730U (en) | 2016-11-15 | 2016-11-15 | The module thermal balance device of PCR gene amplification instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621227713.2U CN206232730U (en) | 2016-11-15 | 2016-11-15 | The module thermal balance device of PCR gene amplification instrument |
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| Publication Number | Publication Date |
|---|---|
| CN206232730U true CN206232730U (en) | 2017-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621227713.2U Expired - Fee Related CN206232730U (en) | 2016-11-15 | 2016-11-15 | The module thermal balance device of PCR gene amplification instrument |
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| CN (1) | CN206232730U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107949082A (en) * | 2017-11-30 | 2018-04-20 | 南通成时医疗科技有限公司 | A kind of new structure PCR amplification instrument heating module, thermometric and calibration method |
| CN110456842A (en) * | 2018-05-08 | 2019-11-15 | 北京中科生仪科技有限公司 | A kind of temperature control equipment and method for nucleic acid reaction |
| CN113106011A (en) * | 2021-03-29 | 2021-07-13 | 江苏科技大学 | Array type constant temperature control device for detecting new corona RNA viruses |
| CN114456921A (en) * | 2022-01-10 | 2022-05-10 | 深圳麦科田生物医疗技术股份有限公司 | Amplification module device with light-weight structure |
-
2016
- 2016-11-15 CN CN201621227713.2U patent/CN206232730U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107949082A (en) * | 2017-11-30 | 2018-04-20 | 南通成时医疗科技有限公司 | A kind of new structure PCR amplification instrument heating module, thermometric and calibration method |
| CN110456842A (en) * | 2018-05-08 | 2019-11-15 | 北京中科生仪科技有限公司 | A kind of temperature control equipment and method for nucleic acid reaction |
| CN110456842B (en) * | 2018-05-08 | 2022-03-01 | 北京中科生仪科技有限公司 | Temperature control device and method for nucleic acid reaction |
| CN113106011A (en) * | 2021-03-29 | 2021-07-13 | 江苏科技大学 | Array type constant temperature control device for detecting new corona RNA viruses |
| CN114456921A (en) * | 2022-01-10 | 2022-05-10 | 深圳麦科田生物医疗技术股份有限公司 | Amplification module device with light-weight structure |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170609 Termination date: 20201115 |